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Principles of Photogrammetry Ayman F. Habib1
Principles of Photogrammetry
Winter 2014
Principles of Photogrammetry Ayman F. Habib2
Contact Information• Instructor:
– Ayman F. Habib.– Office: Room # ENE 229C.– Tel: (403) 220-7105.– E-mail: [email protected]– Lectures (SB 148):
• Monday, Wednesday& Friday (10:00 a.m. – 10:50 a.m.).
– Office Hours: • Monday & Wednesday (12:30 – 2:00 p.m.).
• Course webpage:– http://dprg.geomatics.ucalgary.ca
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Contact Information
• Teaching Assistant:– Hussein Attya– Office: Room # ENE 229.– Tel: (403) 220-4983.– E-mail: [email protected]
• Lab Sessions:– Monday (2:00 – 4:50 p.m.), TRB 102.– Lab sessions will start next week (January 13).
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Course Objectives
• Gain familiarity with the basic principles of photogrammetric operations
• Emphasis:– Definition and possible applications,– Electromagnetic radiation,– Optical principles and film development,– Vertical photography,– Image coordinate measurement and reduction,– Mathematical and geometric principles, and– Theory and procedures of photogrammetric orientation.
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Course Notes and Textbooks• Material presented in class, as well as supplemental
notes, will be available through the course webpage.– Contains all the required material for the labs and exams.
• Supplementary References (optional):– Wolf, P., Dewitt, B., 2000. Elements of Photogrammetry
with Applications in GIS. McGraw-Hill.– Mikhail, E., Bethel, J., McGlone, J., 2001. Introduction
to Modern Photogrammetry. John Wiley & Sons, Inc.
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Grading Scheme• Lab Assignments (5 labs): (25% of Total Grade).
– Assignments will be due within roughly two weeks after they are handed out.
– Grades for late assignments will be reduced by 10% per day for each day overdue.
– Two assignments will require computer programming (C or C++) and submissions must include a softcopy of the source code (well documented) and the program output.
• Mid-Term Exam – Feb. 10: (25% of Total Grade).• Final Exam: (50% of Total Grade).
– Exams are closed book/notes.• Bonus points for class participation
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Syllabus (Course Content)
• Chapter 1: Introduction– Definition, concepts, and applications
• Chapter 2: Electro-Magnetic Radiation– Energy sources and radiation principles
• Chapter 3: Basic Optics– Principles of geometric optics and important optical
conditions for photogrammetric applications
• Chapter 4: Film Development– Development of B/W and color films
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• Chapter 5: Vertical Photography– Basic definitions, image scale, image to ground
coordinates transformation, relief displacement• Chapter 6: Image Coordinate Measurements
– Measurements and necessary reductions of image coordinates
• Chapter 7: The Mathematical Model– Rotation matrices, the collinearity equations (concept
and derivation)• Chapter 8: Theory of Orientation
– Interior, relative, and absolute orientation
Syllabus (Course Content)
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Ch 1: Introduction
• Definition & objectives• Applications:
– Reconnaissance– Production of Topographic Maps– DEM Generation– Close Range Photogrammetry:
• Precision survey of buildings and engineering objects• Documentation of historical buildings• Medical applications• Mapping of roads and nearby objects (mobile mapping
systems)
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Ch 2: Electro-Magnetic Radiation
• Bands of the electro-magnetic radiation:– Radio waves– Microwaves– Infrared radiation– Visible light– Ultraviolet rays– X-rays– Gamma rays
• Properties of the electro-magnetic radiation
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Ch 2: Electro-Magnetic Radiation
http://foto.hut.fi/opetus/350/k04/luento6/luento6.html
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Ch 3: Basic Optics
• Basic camera components• Reflection and refraction• Lenses: Definitions• Lens equation, aberrations, and distortions• Diffraction• Resolving power of optical systems
– Depth of focus and depth of field– Motion blur
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Ch 3: Basic Optics
http://www.dpreview.com/reviews/sonydscf828/3
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Ch 4: Film Development
• Photographic film components• Processing of Black and White (B/W) film
– Negative film– Inverse film
• Nature of colour• Processing of colour film
– Negative film– Inverse film
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Negative Film Positive Film
Ch 4: Film Development
http://www.beautiful-landscape.com/
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Ch 5: Vertical Photography
• Image versus map characteristics• Vertical photography: definitions and
characteristics• Image scale• Mathematical relationship between corresponding
image and ground coordinates• Relief displacements
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http://civisit.com/blog/?p=52
Ch 5: Vertical Photography
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Ch 6: Image Coordinate Measurements
• Image coordinate measurements in analogue, analytical, and digital environments
• Comparators: mono and stereo-comparators• Comparator to image coordinate transformations• Reduction/refinement of image coordinate
measurements:– Radial and de-centering lens distortions– Atmospheric refraction– Earth curvature
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Ch 6: Image Coordinate Measurements
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Ch7: Mathematical Model
• Objectives: derive the general mathematical relationship between corresponding image and object space coordinates
• Projection alternatives• Rotation matrices (2-D and 3-D).
– Derivations and characteristics
• Collinearity equations– Concept and derivation
• Least squares adjustment in photogrammetry
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Ch7: Mathematical Model
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Ch 8: Theory of Orientation
• Objective: Transform centrally projected images into a three-dimensional model which we can use to plot an orthogonal map
• Interior orientation• Exterior orientation:
– Relative orientation• X versus y-parallax
– Absolute orientation
• Aerial Triangulation: strip and block triangulation
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Ch 8: Theory of Orientation